Element 3D Aliasing issue

I'm having annoying aliasing with Element 3D. At the default render setting in E3D, the AE preview and render appear to be more aliasing than the E3D preview. Anyone experienced this before? Comp's preview setting is at full res and no fast draft as you can see in the images.

P/S: I've contacted VideoCopilot support but they say this is because of my VGA,which is not making any sense, if it's about my VGA cant handle E3D, why the plugin's preview look so clean?